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Oct 7, 2009
Noise Canceling vs Noise Reduction The difference when it comes to headphones
Noise Canceling vs Noise Reduction The difference when it comes to headphones Headsets with noise reduction use small microphones with noise or sounds outside the headphones and then delete the sound. Noise reduction headphones (also known as noise isolation headphones) reduce by a barrier through which sounds can not occur. What does all this mean? And what is the difference between these two? Wikipedia (states, "noise is a way to avoid unwanted sound. The vibrations of sound in air, which can be represented as a wave. When a speaker is a sound wave of which has the same amplitude and the exact opposite polarity of the original sound, the waves cancel and the result is no sound. "Although this is more technical here, a simple explanation: the sound of noise reduction headphones and for the fight against the elimination of unwanted sound waves to Apart from the headphones or speakers. A digital signal processor determines what the sound wave is necessary to cancel the sound waves and producing the sound and amplifies it through the headphones. This method differs from noise-reduction headphones, which reduce the noise feels physically block sound from reaching your eardrum. This is the same passive, unpowered method that is used by insulation or sound-absorbing ceiling tiles at home. Noise Canceling headphones tend to work best for the constant sounds, such as lawn mowers and appliances, but may be intermittent sounds such as conversation or a phone rings, so that you are not completely isolated. You will also be more comfortable as a noise reduction headphones, since it is easier and usually less of a noise reduction headphones. Some of the benefits of noise reduction methods in relation to noise reduction are: * There may be more effective at low frequencies * You can be less bulky * It may be selective, meaning that block noise (eg from an engine), but the sounds are not significant (eg, voice). disadvantages Some methods of noise reduction in comparison to reduce noise are: * It is energy, usually from batteries which need to be replaced . If the batteries in the deletion of noise stops working, and when the headphones to listen to the music, in many models, the music stops. * You can create additional noise, usually in the form of high-frequency noise. noise-canceling headphones try to block the outside sound of sampling and then the one, but only through sound - sometimes approximate the sound can be difficult. Regardless of the method applied the noise reduction can help prevent the loss hearing. Through the use of headphones for listening to music, you hear the music in much smaller quantities, because you are not to drown out background sounds. And there is no need to be about listening to your music, which can be used in the headset.
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